host api now complete and onclick works

Change-Id: I39805afe600e478add674e384145d90e3826e345
api to get json for badge class and the issuer for the wiki

Change-Id: I692d0f53d2e364c0c23fc0be45ed12224c51c273
Merge pull request #19 from donyu/don/badge-backpack

Don/badge backpack